Knife.



F. MARZAK,

KNIFE.

,APPLIGATION FILED APR.8,1912.

1,U37',64:8. Patented Sfipt. 3, 1912 m IIIW'WW" wnmessss W I r v IMAENnZ/ y Ill/4r a, I

, ATTORNEYS PATENT OFFICE.

or causes POINT,

KNIFE.

Specification of Letters Patent.

Patented Sept. 3,1912.

application filed April 6, 1912. Serial No. 688,891.

new and useful Imves, of which the followon, rel rcnce being had oinpanying drawing.

slate. to knives, and the invention is to embody of a kni iie, whereby other matter can be "is invention is to prol 'e and scale novel c permits of either being o nis invention is to ace191 or new;

-le frame, the hints Fig H ...i this invention die easing 1 having the outer nereot provided with parallel 3 for the inner end of a blade ed or otherwise connected, as olders 3! The inner end i r ed to provide eye anorough an opening 7. into at the handle casing has movably mounted within scale frame it) that The scale frame has enlarged, l2 and ok 13. The inner end of me has head i i provided with grooves and engaging in said grooves convolutions 16 ot a coiled retraotile spring 17, said rctractile spring having the end thereof attached to the eye 6, as at 18.

One side of the handle casing is open, as illustrated in Fig. 2 and the end Wall 2 of said casing is beveled, as at 19 to receive the beveled end of a handle plate 20, said plate having the opposite'cnd thereof stepped, as at 21 to tit in the stepped portion of the Wall 8. The handle plate is retained in engage ment with the handle casing by a screw that extends through the slot 11 oi the scale frame to limit the movement of said frame. The handle plate has a longitudinal slot 24 with the Walls thereoi beveled, as at 25*. Movable Within said slot is a pointer carried by inner end of the scale in? u 10 The pointer is flush with the outer surcc of the handle plate 20, and said plate, at the sides of the slot as, is graduated as at 27. The lower side of the handle casing has a finger guard 28 and the Wall ot the handle casing has a finger o 29 located adjacent to the Wall 2 guards permitting of the hand firm. safely gripping the handle,

As the knife is used in slicing meat, immediately upon a cut being made, the knife can be manipulated whereby the heel: 18 can be swung into engagement with a piece of meat to elevate and Weigh the same, ith a little practice, the manipulation of the knife can be used to an advantage, thereby rendering it unnecessary for the hands to touch the pieces of meat The Weight of the piece of meat having been ascertained, it can be carried to the Wrapping paper and deposited thereon, Wrapped and delivered Without the hands touching the same,

Besides the knife being advantageously used by butchers, it can be used in culinary departments and employed for Weighing other matter than meat.

The knife blade is made of steel and the handle casing and handle plate can be made of aluminum or other light durable mate rial.

What I clain is The combination in a knife, of a hollow handle, a knife blade having a tang, said tang extending through one end the l [A memes die and rigidly attached thereto said knife blade being thereby held in line with said handle, a retractile spring in the handle,

In testimony whereof I afix my signature in the presence of two wlt-neses.

having one end attached to the tang of said FRANK MARZAK' blade a scale frame slidabiy positioned in Witnesses:

STANLEY Amen, (C. LOYWIZE. v

the handle and connected to the opposite end of said spring: 

